Microsoft network load balancing (NLB) increases the availability and scalability of Internet server applications such as web, FTP, firewall and proxy. 

For information about Microsoft failover clustering support see the Microsoft failover cluster section.


Microsoft network load balancing cluster scan tasks are able to document NLB clusters running on Windows Server 2003 and above and provide the following information.



  • Cluster name

  • Cluster network addresses

  • Cluster operation mode


  • Host name 

  • Host operating system, model, serial number and manufacturer

  • Host priority

  • Host network addresses

  • Host initial state

  • Port rules